798944840 has 16 divisors (see below), whose sum is σ = 1797625980. Its totient is φ = 319577920.

The previous prime is 798944827. The next prime is 798944857. The reversal of 798944840 is 48449897.

It can be written as a sum of positive squares in 2 ways, for example, as 727812484 + 71132356 = 26978^2 + 8434^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9986771 + ... + 9986850.

Almost surely, 2^798944840 is an apocalyptic number.

It is an amenable number.

798944840 is an abundant number, since it is smaller than the sum of its proper divisors (998681140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

798944840 is a wasteful number, since it uses less digits than its factorization.

798944840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19973632 (or 19973628 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 53.

The square root of 798944840 is about 28265.6123231038. The cubic root of 798944840 is about 927.9094522483.

The spelling of 798944840 in words is "seven hundred ninety-eight million, nine hundred forty-four thousand, eight hundred forty".